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Dermatology Online Journal

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Granuloma annulare mimicking multicentric reticulohistiocytosis


We describe a patient with granuloma annulare (GA) who presented with firm periungual papules mimicking “coral beads”, a characteristic sign of multicentric reticulohistiocytosis (MRH).  We highlight the importance of distinguishing between GA and MRH because the prognoses differ significantly.

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